Ahead of Saturday's iPad launch, CNN looks at Apple's new computer to answer questions and distinguish it from other computers already in our homes and offices. "You've seen the television commercials and the product reviews. But maybe, like many gadget lovers, you're still debating whether you really need this new touch-screen computer from Apple. To help you make sense of the hype, here are answers to 12 common questions about the iPad, Apple's much-anticipated "slate" computer, which goes on sale Saturday. Buying an iPad? What will you do with it? Is there anything else you'd like to know? If so, please post in the comments section below and we'll do our best to answer your questions."